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Sonja [21]
4 years ago
8

BRAINLIEST ASAP! PLEASE HELP ME :)

Mathematics
1 answer:
anzhelika [568]4 years ago
8 0

Answer:

22.3 km²

Step-by-step explanation:

The formula for the area of a circle is

A = πr²

r = ½d, so

A = π(½d)² =  ¼πd²

A = ¼ × π × (16/3)² = ¼ × π × 256/9  ≈ 22.3 km²

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skelet666 [1.2K]

Answer:

79.5

Step-by-step explanation:

10^7 = 10^6 * 10

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7 0
3 years ago
The equation of a line is x + 4y = 15.
alukav5142 [94]
<h2>Answer:  c.) ¹⁵/₄</h2>

Step-by-step explanation:

If we transpose the equation into the slope-intercept form (y = mx + c), the value of c is the y-intercept.

since   x + 4y = 15

then           4y = - x + 15

∴                  y = -¹/₄ x + ¹⁵/₄

<h3>⇒ the y-intercept for the line x + 4y = 15 is ¹⁵/₄</h3>

             

7 0
3 years ago
Help me with this!!!!!!
SVETLANKA909090 [29]

Answer:

16.3

Step-by-step explanation:

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5 0
3 years ago
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Is f(x) =3*(7/4)^x a growth or decay. Please help me it’s urgent!!!!
kupik [55]

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3 0
3 years ago
traveling at 45 mph, how many minutes, rounded to the nearest whole number, does it take to drive 240 miles from Orlando to Miam
liq [111]
v=\frac{d}{t}\\\\v-velocity;\ d-distance;\ t-time\\-------------------------\\v=\frac{d}{t}\ \ \ \ |multiply\ both\ sides\ by\ t\\vt=d\ \ \ \ |divide\ both\ sides\ by\ v\\\\t=\frac{d}{v}\\------------------------

v=45\ mph;\ d=240\ mi\\\\t=\frac{240}{45}=\frac{240:15}{45:15}=\frac{16}{3}\ (h)\\\\1h=60min\\\\therefore\\\\t=\frac{16}{3}\cdot60min=16\cdot20min=\boxed{320min}
5 0
3 years ago
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